Gas Build-Up Led to Fatal Plant Blast: Board | NBC Connecticut

Gas Build-Up Led to Fatal Plant Blast: Board

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    The Kleen Energy plant is seen in this aerial photo following the explosion. The Middletown Police Deptment has obtained an additional search warrant for the plant site.

    Federal safety investigators say enough natural gas to fill a professional basketball arena was vented into tight quarters shortly before an explosion at the Kleen Energy Systems plant in Middletown that killed six workers.

    Donald Holmstrom of the U.S. Chemical Safety Board released early findings Thursday in the board's probe into the Feb. 7 explosion at the plant.

    The practice of cleaning the pipes, known as a "gas blow," put 400,000 cubic feet of gas into an area close to the plant's power block, and near many ignition sources, he said.

    Holmstrom says the practice of venting gas near buildings and workers is common, but inherently unsafe. The board is cautioning industry against the practice, and Holmstrom says it's working to develop ways to find safer alternatives.
     

     

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